{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Much work has been focused on aprotic Li - O ( 2 ) cells ( mostly with carbonate - based electrolytes and Li ( 2 ) O ( 2 ) as a potential discharge product ) , where large overpotentials are observed and a complex cell chemistry is found ."}
{"Chemical": ["Li - O ( 2 )", "carbonate", "Li ( 2 ) O ( 2 )"]}